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797B Mining TruckDimensionsAll dimensions are approximate.

1 Height to Top of ROPS - Full 6351 mm 250 in1 Height to Top of ROPS - Empty 6549 mm 258 in2 Overall Body Length 14 483 mm 569 in3 Inside Body Length 9941 mm 391 in

4 Overall Length 14 530 mm 572 in5 Wheelbase 7200 mm 283 in6 Rear Axle to Tail 4016 mm 158 in7 Ground Clearance - Full 869 mm 34 in7 Ground Clearance - Empty 1059 mm 42 in8 Dump Clearance 1885 mm 74 in9 Loading Height - Empty 7083 mm 278 in10 Inside Body Depth - Max 3350 mm 132 in

11 Overall Height - Body Raised 15 292 mm 60212 Operating Width 9154 mm 36013 Centerline Front Tire Width 6512 mm 25614 Engine Guard Clearance - Full 919 mm 36 in

14 Engine Guard Clearance - Empty 1122 mm 44 in15 Outside Body Width 8524 mm 33616 Inside Body Width 8000 mm 31517 Front Canopy Height 7584 mm 29918 Rear Axle Clearance - Full 951 mm 37 in18 Rear Axle Clearance - Empty 1046 mm 41 in19 Centerline Rear Dual Tire Width 6233 mm 24520 Overall Tire Width - Full 9761 mm 384

10

20

19

18

17

16

15

13

14

12

45 °

2

3

1

4

5 6

78

9

11

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To determine retarding performance: Add lengths of alldownhill segments and, using this total, refer to properretarding chart. Read from gross weight down to the percenteffective grade. Effective grade equals actual % grade minus1% for each 10 kg/t (20 lb/ton) of rolling resistance. From thisweight-effective grade point, read horizontally to the curvewith the highest obtainable gear, then down to maximumdescent speed brakes can properly handle without exceeding

cooling capacity. The following charts are based on theseconditions: 32 ° C (90 ° F) ambient temperature, at sea level,with 59/80R63 tires.

NOTE:Select the proper gear to maintain engine rpm at the highestpossible level, without overspeeding the engine. If cooling oiloverheats, reduce ground speed to allow transmission to shift tothe next lower speed range.

Retarding Performance

0 100 200 300 400 500 600 700

km/h

mph

kg x 1000

E F F E C T I V E G R A D

E ( F a v o r a

b l e )

Gross Weight

lb x 1000

SPEEDContinuous Grade Length

Gross Machine Operating Weight623 690 kg/1,375,000 lb

Typical Field Empty Weight

0 200 400 600 800 1000 1200 1400

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40 45

4th Gear

7th Gear6th Gear

5th Gear

2nd Gear

3rd Gear

1st Gear

25%

5%

10%

15%

20%30%

LE

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Retarding Performance

Gross Weight

SPEEDGrade Distance — 600 m (2000 ft.)

Gross Machine Operating Weight623 690 kg/1,375,000 lb

Typical Field Empty Weight

E F F E C T I V E G R A D E ( F a v o r a

b l e )

LE

5th Gear

6th Gear7th Gear

2nd Gear

1st Gear

4th Gear

3rd Gear

5%

10%

15%

20%25 %30 %

0 100 200 300 400 500 600 700

km/h

mph

kg x 1000

lb x 1000 0 200 400 600 800 1000 1200 1400

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40 45

E F F E C T

I V E G R A D E ( F a v o r a

b l e )

Gross Weight

SPEEDGrade Distance — 450 m (1500 ft.)

Gross Machine Operating Weight623 690 kg/1,375,000 lb

Typical Field Empty Weight

LE

5th Gear

6th Gear7th Gear

2nd Gear

1st Gear

4th Gear

3rd Gear

5%

10%

15%

20%25 %30 %

0 100 200 300 400 500 600 700

km/h

mph

kg x 1000

lb x 1000 0 200 400 600 800 1000 1200 1400

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40 45

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Retarding Performance

Gross Weight

SPEEDGrade Distance — 1500 m (5000 ft.)

Gross Machine Operating Weight623 690 kg/1,375,000 lb

Typical Field Empty Weight

E F F E C T I V E G R A D E ( F a v o r a

b l e )

LE

5th Gear6th Gear

7th Gear

2nd Gear

1st Gear

4th Gear

3rd Gear

5%

10%

15%

20%25 %30 %

0 100 200 300 400 500 600 700

km/h

mph

kg x 1000

lb x 1000 0 200 400 600 800 1000 1200 1400

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40 45

E F F E C T

I V E G R A D E ( F a v o r a

b l e )

Gross Weight

SPEEDGrade Distance — 900 m (3000 ft.)

Gross Machine Operating Weight623 690 kg/1,375,000 lb

Typical Field Empty Weight

LE

5th Gear

6th Gear7th Gear

2nd Gear

1st Gear

4th Gear

3rd Gear

5%

10%

15%

20%25 %30 %

0 100 200 300 400 500 600 700

km/h

mph

kg x 1000

lb x 1000 0 200 400 600 800 1000 1200 1400

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40 45

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To determine gradeability performance: Read from grossweight down to the percent of total resistance. Total resistanceequals actual percent grade plus 1% for each 10 kg/t (20 lb/ton)of rolling resistance. From this weight-resistance point, read

horizontally to the curve with the highest obtainable gear, thendown to maximum speed. Usable rimpull will depend upontraction available and weight on drive wheels.

Gradeability/Speed/Rimpull

1st Gear

1st Gear

2nd Gear

3rd Gear

4th Gear5th Gear

6th Gear7th Gear

350

300

250

200

150

100

50

0

0 5 10 15 20 25 30 35 40

0 10 20 30 40 50 60 70

160

140

120

100

80

60

40

20

0

0 100 200 300 400 500 600

0 200 400 600 800 1000 1200 1400

kg x1000lb x1000

R I M P U L L

T O T A L R E S I S T A N C E

( G r a

d e p l u s

R o

l l i n g

)

SPEED

kg x 1000

lb x 1000

mph

km/h

LE

5%

10%

15%

20%

25%

30%

Gross Machine Operating Weight623 690 kg/1,375,000 lb

* At Sea Level

Typical Field Empty Weight

59/80R63 TiresGross Weight

Standard Arrangement*Torque Converter DriveDirect Drive

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kg lb

BatteryStandard 63 138Heavy Duty 126 278Sealed 168 371

BumperStandard 1865 4112Towing 2135 4707

ExhaustSide 61 133Rear through Body 321 706Handrail Guard 30 65Cover Guard 30 65

Fuel Tank 1000 Gallons 1406 30991800 Gallons 2727 6012

kg

Oil Cooler, Rear Axle 104 2Pump, Standard 70Seat

Cat Air Suspension, C500 0Isringhausen Air Suspension 0

Starting System, AirVane Ingersoll 404TDI Turbine 353Ingersoll Turbine 360

WindowPassenger Door, Fixed 0Passenger Door, Electric 0

Mandatory Equipment (with approximate changes in operating weight)

Mandatory and optional equipment may vary. Consult your Caterpillar dealer for specifics.

kg lb

Body, Flat Floor 46 294 102,060Body Liner

Solid 3992 8800Rock Box 1909 4210Rear Grid 1769 3900

Engine Prelube, Air Start 3 7External Payload Display, Left, Right 46 100Fire Extinguisher, Portable 21 45Heater, Large Fuel Tank 18 39

High Altitude Modification 740 1630Hose, Cab Cleanout 7 15

kg

Oil Renewal System 15Radiator Guard, Oil Sands 514 11Road Analysis Control (RAC) 6Starting System, Cold Weather 94 2

29402951

Tire RimSpare, 44-63, StandardSpare, 44-63, WedgeMounting Guard 71

Tires, 59/80R63 MX XDRC4** E4 31 815 70,14

Torque Converter Guard 269 5Wiggins Service Center 59 1

Optional Equipment (with approximate changes in operating weight)

797B Mining Truck